MICHIGAN ACADEMY OF SCIENCE. 247 
2. Cup split down one side, ear-shaped : Otidea. 
2, Cup not split: (3) 
3, Juice of fresh apothecia milky: Galactinia. 
3. Juice not milky: (4) 
4. Asci stain blue with iodine : Plicaria. 
4. Asci not blue with iodine: (5) 
5. Spores with reticulate wall : Aleuria. 
5. Spores not reticulate: (6) 
6. Cup sessile ; small : Humaria. 
6. Cup more or less stalked: (7) 
7. Cup flattened out : Distinct. 
7. Cup goblet or beaker shaped: Geopyxis. 
7. Cup on a long rough stem : Macrapodia. 
(1) Helotiaceae. 
1. Cup externally hairy: (2) 
1. Cup not hairy:. (4) 
2. Cup large 1-5 cm., usually bright-red; in the spring. Sarcoscyplia. 
2. Cups minute; spores elliptical: (3) 
3. Cups delicate, stalked : DasyscypJia. 
3. Cups thick, sessile: Lachnella. 
4. Substratum (i. e. wood) colored green by the fungous: 
Chlorosplemum. 
4. Substratum not colored green: (5) 
5. Cups dark brown arising from “Sclerotia”; parasitic on plums, etc. 
Sclerotinia. 
5. No “Sclerotia” : (6) 
6. Cup cartilaginous or gelatinous; spores many-celled : Corync. 
G.. Cup waxy or tough: (7) 
7. Spores hyaline, 1-celled : Hymenoscypha. 
7. Spores hyaline, 2-4 celled : Helotium. 
(m) Mollisiaceae. 
1. Cups gelatinous-horny; spores 1-celled: Orbilia. 
1, Cups fleshy-waxy : (2) 
2. Cups on a mycelioid subiculum: Tapesia. 
2. Cups without subiculum: (3) 
